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Finding the Fourth Proportional to 64,339.38, 88,788.29 and 36,045.27

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Solution

The fourth proportional to 64,339.38, 88,788.29 and 36,045.27 is: 49,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.38 : 88,788.29 = 36,045.27 : x
  2. Step 2: Convert to fraction form
    64,339.38/88,788.29 = 36,045.27/x
  3. Step 3: Cross multiply
    64,339.38x = 88,788.29 × 36,045.27
  4. Step 4: Simplify right side
    64,339.38x = 3,200,397,705.66
  5. Step 5: Solve for x
    x = 3,200,397,705.66/64,339.38
  6. Step 6: Final answer
    x = 49,742.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.